Handle removal of (*, R) pairs

CHANGELOG.md

@@ -2,6 +2,14 @@
 
 ## Unreleased
 
+## 0.6.1
+
+### Changed
+- Entity types now unions with numbers should allow for easier time casting while not causing regressing previous behaviours
+
+### Fixed
+- Fixed a critical bug with `(*, R)` pairs not being removed when `R` is deleted
+
 ## 0.6.0
 
 ### Added

jecs.luau

@@ -1413,11 +1413,11 @@ local function world_delete(world: ecs_world_t, entity: i53)
 				for i = tr, tr + tr_count - 1 do
 					ids[types[i]] = true
 				end
+
 				local n = #entities
 				table.move(entities, 1, n, count + 1, children)
 				count += n
 			end
-
 			for _, child in children do
 				for id in ids do
 					world_remove(world, child, id)

test/tests.luau

@@ -289,6 +289,27 @@ TEST("world:contains()", function()
 end)
 
 TEST("world:delete()", function()
+	do CASE "remove (*, R) pairs when relationship is invalidated"
+		print("-------")
+		local world = jecs.world()
+		local e1 = world:entity()
+		local e2 = world:entity()
+
+		local A = world:component()
+		local B = world:component()
+		local C = world:component()
+
+		world:add(e1, pair(e2, A))
+		world:add(e1, B) -- Some stable component that should not be removed in the process
+		world:add(e1, pair(e2, C))
+		world:delete(e2)
+
+		CHECK(not world:contains(e2))
+		CHECK(not world:has(e1, pair(e2, A)))
+		CHECK(world:has(e1, B))
+		CHECK(not world:has(e1, pair(e2, C)))
+		CHECK(world:contains(e1))
+	end
 	do CASE "remove pair when relationship is deleted"
 		local world = jecs.world()
 		local e1 = world:entity()

wally.toml

@@ -1,6 +1,6 @@
 [package]
 name = "ukendio/jecs"
-version = "0.6.0"
+version = "0.6.1"
 registry = "https://github.com/UpliftGames/wally-index"
 realm = "shared"
 license = "MIT"